Cable installation in trays NEC1/28/2024 Because of this versatility, tray cable is necessary to a wide range of industries from light industrial applications to the heaviest projects on the market. The power it provides can support structures of any size. It can be used in wet or dry locations, indoors or outside, and shielded or left out in the open. Tray cable comes in multiconductor and multipair styles that can be used for control, instrumentation/signal, power and lighting. Simply put, tray cable is a versatile cable approved for installation in cable trays or raceways. “a factory assembly of two or more insulated conductors, with or without associated bare or covered grounding conductors under a nonmetallic sheath, for installation in cable trays, in raceways, or where supported by a messenger wire.” The National Electric Code (NEC) defines tray cable as: Knowing the fundamental characteristics of tray cable will help you understand your product options, and allow you to make better wire and cable choices. It is important to understand the basic aspects of a cable’s construction and performance.
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